Ronseal Knot Block Primer & Undercoat 250ml White Option:White 250ml Bonded and braided for greater

Bonded and braided for greater durability|Not affected by extreme moisture

Next generation filler based on hollow glass microspheres

grime and brake dust from the most intricate of wheel designs|Suitable for most alloy wheels

Dual protection against dust & liquids

Ronseal Knot Block Primer & Undercoat 250ml White Option:White 250ml Bonded and braided for greaterOur Knot Block Wood Primer & Undercoat completely stops wood knots and wood resins showing through your paint. This primer and undercoat also covers bold colours, dark marks and helps your paint to stick! It makes sure you get a flawless finish that won'y yellow, crack or peel. Perfect for knotty wood like pine. Guaranteed to completely block wood knots Ready to paint over in 4 hours Use on bare or previously painted wood